Download a demo version of Flowol, and the user manual, from the Data Harvest website.

Secondary site licence: £276
(includes 3 mimics: zebra crossing, light house & bridge)
Secondary Mimics (5): £50
More secondary mimics (5) £45

MSW Logo is a version of the Logo language that is in the public domain (i.e. free). The site has versions of the installation package for all versions of Windows - download the 32-bit version for Windows 95 or later. There are also a number of (mostly American) teaching resources such as pupil and teacher manuals, and web-based tutorials that can be put on a school intranet.

Download an evaluation copy of Logicator. Also contains ideas and example flowsheet files.